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From: Ingo Schwarze <schwarze@usta.de>
To: "Anthony J. Bentley" <anthony@anjbe.name>
Cc: tech@mdocml.bsd.lv
Subject: Re: eqn(7): Brackets and commas as operators
Date: Fri, 14 Jul 2017 20:24:13 +0200	[thread overview]
Message-ID: <20170714182413.GH32226@athene.usta.de> (raw)
In-Reply-To: <15698.1500045283@cathet.us>

Hi Anthony,

Anthony J. Bentley wrote on Fri, Jul 14, 2017 at 09:14:43AM -0600:
> Ingo Schwarze writes:
>> Anthony J. Bentley wrote on Thu, Jul 13, 2017 at 07:00:18PM -0600:

>>> .EQ
>>> v[0], v[1]
>>> .EN
>>> 
>>> In HTML output, "]," gets wrapped into a single <mo>, which renders
>>> incorrectly.

>> Incorrectly in which way?  Do you menan that there should be spacing
>> after the comma?

> Incorrectly in that the v[0]'s left bracket and right bracket differ
> in size in the browser.
> 
>   <mi>v</mi><mo>[</mo><mn>0</mn><mo>],</mo>
>   <mi>v</mi><mo>[</mo><mn>1</mn><mo>]</mo>

I don't see a size difference in Firefox 54.0, but maybe there is a
slight vertical offset.

>> What would be a correct rendering?

> This is what it should look like:
> 
>   <mi>v</mi><mo>[</mo><mn>0</mn><mo>]</mo><mo>,</mo>
>   <mi>v</mi><mo>[</mo><mn>1</mn><mo>]</mo>

I see, that makes sense anyway, thanks for explaining.

Fixed with the commit below.

Yours,
  Ingo


Log Message:
-----------
always give commas their own <mo> element,
suggested by bentley@, improves e.g. glMultMatrix(3)

Modified Files:
--------------
    mandoc:
        eqn.c

Revision Data
-------------
Index: eqn.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/eqn.c,v
retrieving revision 1.76
retrieving revision 1.77
diff -Leqn.c -Leqn.c -u -p -r1.76 -r1.77
--- eqn.c
+++ eqn.c
@@ -1041,7 +1041,7 @@ next_tok:
 				/* No boundary after last character. */
 				if (*cpn == '\0')
 					break;
-				if (ccln == ccl)
+				if (ccln == ccl && *cp != ',' && *cpn != ',')
 					continue;
 				/* Boundary found, split the text. */
 				if (parent->args == parent->expectargs) {
--
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      reply	other threads:[~2017-07-14 18:24 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-14  1:00 Anthony J. Bentley
2017-07-14 11:51 ` Ingo Schwarze
2017-07-14 15:14   ` Anthony J. Bentley
2017-07-14 18:24     ` Ingo Schwarze [this message]

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